Email not working on iPad mindmanager

I can compose an email in mindjet 3.6.1 to send a map and it appears to get sent - I get the mail sent sound - but the mail never actually goes. Is this a known problem? It's very frustrating as I like to compose maps on the iPad and then mail them elsewhere to work on.

We were only able to reproduce this if the email password needed to be updated, and even then only on certain versions of iOS. If this is not the issue, please let us know if you have any other details about how to reproduce the issue.